river birch pollen extract 50 MG/ML Injectable Solution
Known as: BETULA NIGRA POLLEN 0.05 g in 1 mL SUBCUTANEOUS INJECTION, SOLUTION [BETULA NIGRA POLLEN], BETULA NIGRA POLLEN 1 g in 20 mL INTRADERMAL INJECTION [River/Red Birch Pollen], BETULA NIGRA POLLEN 0.05 g in 1 mL PERCUTANEOUS INJECTION, SOLUTION [BETULA NIGRA POLLEN]